Low frequency transformers lamination range The selection of the lamination type for a specific transformer depends on the design parameters and the designerí»s personal preferences. The indicative power capacity for different lamination types (chart below) provides a general guideline for an initial selection. We hold UL insulation system for Class B(130íµ),F(155íµ),H(180íµ). We can make customized lamination transformers
Used for television, electrical control system, charger inverter, electric apparatus, audio equipment etc.
Outpower is above 0.6va to 1000va. All with ul certificate.
Outpower is above 0.6w to 1000w.All with UL certificate
Large transmission ,wide frequence range, stable performance. Application : Used for telephone ,fax machine.VCD,DVD,and audio etc.
Using excellent material,good precious current and high efficiency. Application: Used for electricity equipment for inspection control
Larege transmisson power, low loss, wide frequency range, stable performance, low temperature rise. Used for electric apparatus, aerocraft, transmitter, computer .Communication equipment and tv etc.
Tianjin New Ventech Electronic co.,LTD was established in 1993, which is a professional China manufacturer on variety electronic transformer including coil inductors, PCB mount transformer, toroidal transformer ,high voltage transformer etc. Now we have more than 800 staff, in which there are nearly 60 technical engineers, and 80% have more than 20 years experiences. With continuous hard work, our r&d department researched 8-10 kinds new products averagely every year, and now we have strength to custom-made as per your demand.Our products include: 1.Toroidal transformer 2.PCB mount transformer 3.Common mode choke. 4. Switching transformers 5.low frequency transformer 6.high frequency transformer 7.high voltage transformer We are certified of RoHS, UL, CE environmental protection standard, ISO9001: 2000, ISO14001: 2004 and ect. We offers high quality products with the most competitive price. It is our company's basic of success. The operation idea of our company is do everything we can, satisfy customers'need. Under working hard in this principle, we become a popular manufacturer by customers, investors, and partner company.This site is constantly being updated. If the information you require is not shown please contact us directly. The size of the pallet is 80*120mmm carons on the pallet.
Large transmission power, low loss,wide frequency range, stable performance, low temperature rise.Application: Used for electric apparatus, aerocraft, transmitter, computer, communication equipment and TV
electronic transformer Encapsulated transformer manufacturer Encapsulated transformer custom Encapsulated transformer supplier The contact: Ariel More favorable price please mail to: vtcarielzheng@126.com Trademark: VTC Coil Number: Autotransformer mount type: mount hole output voltage: 12V Power Range: 3VA Ferrite core: EI Insulation Class: UL class B,F,H,N.(optional) OEM: Yes Certification: UL RoHS CE Tianjin New Ventech Electronic Co., Ltd. is a joint venture specialized in producing various electrical transformer,mainly include PCB expoxy resin transformer, toroidal transformer, high voltage transformer, current transformer,common mode choke,line filter, inductor, etc, which are mainly used in power supply, home appliance, medical equipment ,communication product, wind power generation and Uninterrupted Power Supply, etc. We have upgraded production lines; we have obtained CE, VDE, UL certificates. All material meet RoHS and UL request. The products are sold not only in domestic markets but also overseas including USA, England, Germany, Italy, Sweden, Spain, Turkey, Japan and Korea etc. Our main customers are Electrolux, OMRON, SANYO, LG,Ariston,Panasonic, etc. We believe that we can become your reliable electrical transformer partner with best quality and favorable price.
PCB mount transformer silicon steel transformer supplier low frequency transformer manufacturer PCB expoxy resin transformer The contact: Ariel More favorable price please mail to: vtcarielzheng@126.com Trademark: VTC Coil Number: Autotransformer mount type: mount hole Power Range: 6.5VA Ferrite core: EI Insulation Class: UL class B,F,H,N.(optional) OEM: Yes Certification: UL RoHS CE Our services 1. We can provide samples of all kinds of Electrical Transformer,Inductor etc. 2. We can produce as your requirement(OEM, ODM) 3. If you have any special requirement, please don't hesitate to contact us, Ventech will make customized design to meet your needs. Tianjin New Ventech Electronic Co., Ltd. is a joint venture specialized in producing various electrical transformer,mainly include PCB expoxy resin transformer, toroidal transformer, high voltage transformer,current transformer,common mode choke,line filter, inductor, etc, which are mainly used in power supply, home appliance, medical equipment ,communication product, wind power generation and Uninterrupted Power Supply, etc.
electronic transformer High frequency transformer manufacturer High frequency transformer custom High frequency transformer supplier The contact: Ariel More favorable price please mail to: vtcarielzheng@126.com Trademark: VTC Coil Number: Autotransformer Ferrite core: RM10 High Frequency transformer suitable for EL/CCFL Inverter or DC/DC converter 1. Custom designs available 2. High efficiency of over 95% 3. High frequency range 10kHz-1MHz 4. High isolation strength 5. Lower profile and weight 6. high power density 7. High-temperature resistant 8. Operating temperature -40°C to +125°C 9. Power range 0.5w-800w EF EE EFD type high voltage high frequency ferrite core portable transformer Application: 1. VCRS, Copy machine , Audio equipment , Game machines 2. TV sets, Microcomputer equipment, printers, Terminals 3. communications control equipment 4.Switching power supply, chargers, alarm system 5. UPS, VCD/DVD players, audio and visual equipment 6. OA machines, inverters, chargers, alarm system Our services ?1. We can provide samples of all kinds of Electrical Transformer,Inductor etc. ?2. We can produce as your requirement(OEM, ODM) ?3. If you have any special requirement, please don't hesitate to contact us, Ventech will make customized design to meet your needs.
1).Features: Has a strong anti-interference, distributed capacitance, impedance, attenuation of low transmission, firm structure,can fine-tune the inductance, etc., are widely used in fax machines, PBX. 2). Applicable frequency range: 20 to 100kHz : Operating frequency: higher than 200kHz High magnetic flux and low loss magnetic materials With low leakage inductance and high efficiency . 3).Applications: PCB circuits, computer, TV, monitor, scanner, duplicator, mobile adapters, printer and other equipments and instruments. UL insulation system for Class B (130), F (155), H (180) 4). Can make other customized Ferrite transformers: Power range: core type using N67 grade material 500: ETD54, ETD59 and E65 5)Advantage: 1.UL, CUL, CE, ISO9001:2008 2.We offer custom-made transformers, OEM and ODM are welcome 3.We deliver the quality you expect at consistently competitive prices 4.Transformer quality lifetime:10 Years. 5.Specialty Sales service:5 -10 Years 6.Transformers Test: 100% test before the shipment
Basic Info Model NO.: GWEFD12 EFD15 EFD20etc GWRM4, RM5, RM6, RM8etc Usage: Single-phase Transformer Frequency Characteristics: High Frequency Shape of Core: Etd,RM Brand: Grewin Type: High Frequency Transformer Coil Number: High Magnetic Flux and Low Loss Magnetic Materials Indicative Power Capacity: UL Insulation System for Class B (130), F (155), H Trademark: Grewin High Frequency Transformer Transport Package: Export Standard Carton with Strong Pallet Specification: VDE, CE Origin: Tianjin HS Code: 85043190 Product Description We have passed ISO9001:2015,CE,SGS approval and IEC report 1).Features: Has a strong anti-interference, distributed capacitance, impedance, attenuation of low transmission, firm structure,can fine-tune the inductance, etc., are widely used in fax machines, PBX. 2). Applicable frequency range: 20 to 100kHz : Operating frequency: higher than 200kHz High magnetic flux and low loss magnetic materials With low leakage inductance and high efficiency . 3).Applications: PCB circuits, computer, TV, monitor, scanner, duplicator, mobile adapters, printer and other equipments and instruments. UL insulation system for Class B (130), F (155), H (180) 4). Can make other customized Ferrite transformers: Power range: core type using N67 grade material 500: ETD54, ETD59 and E65 5)Advantage: 1.UL, CUL, CE, ISO9001:2015 2.We offer custom-made transformers, OEM and ODM are welcome 3.We deliver the quality you expect at consistently competitive prices 4.Transformer quality lifetime:10 Years. 5.Specialty Sales service:5 -10 Years 6.Transformers Test: 100% test before the shipment About us: 1). Tianjin Grewin Technology Co.,ltd. has always laying great emphasis on our core business philosophy "Quality and Honesty First ". Grewin Mission: Growing together side by side,Mutual success hand in hand. Production: Ferrite Core High Frequency Current Transformer 2).Terms of Shipment: Within 10 working days after received related prepayment or L/C. 3).Payment terms: (1). T/T 100% or 50% deposit by T/T in advance, balance amount to be paid 7 days before delivery. (2). By irrevocable L/C at sight, to be issued immediately against confirmed order. (3). Payment by T/T, if order amount is less than USD 20,000. 4).Flow chart of trading activities: NO Step Days need 1 Request for quotation 1 day 2 Making quotations 1 day 3 Offer and counter offer 3 days 4 Sending and receiving samples 3-10 days 5 Sample confirmation 3 days 6 Placing a firm order 1 day 7 Paying and receiving the down payment 1-4 day 8 Factory production & Quality inspection 15-20 days 9 Paying and receiving the balance 4 days 10 Delivery of goods 1 days
Basic Info Model NO.: GWEI-28, EI-35, EI-41, EI-48, EI-57, EI-66 etc. Usage: Single-phase Transformer Frequency Characteristics: Low Frequency Shape of Core: EI Brand: Grewin Ei Low Frequency Transformer Type: Encapsulated Transformer Color: Yellow, White, Black, Brown, Red Primary: 115V Single or Dual Ui: Ui20, Ui39 Trademark: Grewin Ei Low Frequency Transformer Transport Package: Export Standard Carton with Strong Pallet Specification: VDE, ISO9001 Origin: China HS Code: 85043190 Product Description 1.Product Specification: 1). Models: EI28, EI30, EI35, EI48, EI57, EI66, EI86, EI96, EI105, EI114, EI133, EI152, EI162 etc. 2). Maximum output: 1.2W, 2W, 12W, 20W, 35W, 40W, 50W, 90W, 180W, 200W, 400W, 600W, 850W, 1500W, 2400W, 2700W etc. 3). Input:100Vac, 110Vac, 115Vac, 120Vac, 220Vac, 230Vac, 240Vac etc. 4). Output:AC(0--380V); DC(0--50V) 2.Product Feature : 1). Easy to install. 2). Lower power consumption. 3). Little temperature rising. 4). High accuracy of output voltage. 5). Diemension and output leads can be customized. 6). Dielectronic Strength is high. 3.Application 1). Measuring instruments. 2).Communication prducts. 3). Medical instruments. 4). Audio & Video 5). Elevator 4.Advantage: 1).UL, CUL, CE, ISO9001:2008 2).We offer custom-made transformers, OEM and ODM are welcome 3).We deliver the quality you expect at consistently competitive prices 4).Transformer quality lifetime:10 Years. 5).Specialty Sales service:5 -10 Years 6).Transformers Test: 100% test before the shipment About us: 1.Tianjin Grewin Technology Co.,ltd. has always laying great emphasis on our core business philosophy "Quality and Honesty First ". Ei Low Frequency Power Inverter Transformer for Measuring Instruments 2.Terms of Shipment: Within 10 working days after received related prepayment or L/C. 3.Payment terms: (1). T/T 100% or 50% deposit by T/T in advance, balance amount to be paid 7 days before delivery. (2). By irrevocable L/C at sight, to be issued immediately against confirmed order. (3). Payment by T/T, if order amount is less than USD 20,000. 4.Production The following picture showed you about all finished transformer production line and package with export standard carton and strong pallets: Ei Low Frequency Power Inverter Transformer for Measuring Instruments
Basic Info Model NO.: 105VA 150VA 180VA 200VA 250VA 300VA 350VA 400VA Usage: LED Underwater Lamp, LED Ground Light Frequency Characteristics: Low Frequency Shape of Core: Ring Brand: Grewin Toroidal Transformer 100% Copper Wire Made: Toroidal Style ABS Fire Material: Plastic Cover High Performance Insulation: Epoxy Resin Anti-Corrosion: Waterproof Performance Outdoor Waterproof Transformer with Plug: Highly Energy Efficient Water-Safe Making IP Rating: IP64 IP66 IP67 Rating for Outdoor Use Application 1: LED Ground Light, Outdoor Power Supply Application 2: Humidifier, Swimming Pool, Garden Light Short-Circuit-Proof Safety: Isolating Transformer Primary/Secondary Winding: Enamelled Copper Wire Trademark: Grewin outdoor waterproof toroidal transformer Transport Package: Export Standard Carton or Customize Strong Pallet Specification: CE Origin: China HS Code: 85043190
Electronic transformer Encapsulated transformer manufacturer Encapsulated transformer custom Encapsulated transformer supplier The contact: Ariel More favorable price please mail to: vtcarielzheng@126.com Trademark: VTC Coil Number: Autotransformer mount type: mount hole output voltage: 12V Power Range: 10VA Ferrite core: EI Insulation Class: UL class B,F,H,N.(optional) OEM: Yes Certification: UL RoHS CE Manufacture encapsulated 230V to 14V pcb mount transformer with VDE approval Features: 1.Different input voltage: 0-240VAC ( world wild use) 2.High effeciency : typical value:80% ( according to different power ). 3.No load power consumption:
electronic transformer High frequency transformer manufacturer High frequency transformer custom High frequency transformer supplier The contact: Ariel More favorable price please mail to: vtcarielzheng@126.com Trademark: VTC Coil Number: Autotransformer Ferrite core: EE25 Tianjin New Ventech Electronic Co., Ltd. is a joint venture specialized in producing various electrical transformer,mainly include PCB expoxy resin transformer, toroidal transformer, high voltage transformer,current transformer,common mode choke,line filter, inductor, etc, which are mainly used in power supply, home appliance, medical equipment ,communication product, wind power generation and Uninterrupted Power Supply, etc. We have upgraded production lines; we have obtained CE, VDE, UL certificates. All material meet RoHS and UL request. The products are sold not only in domestic markets but also overseas including USA, England, Germany, Italy, Sweden, Spain, Turkey, Japan and Korea etc. Our main customers are Electrolux, OMRON, SANYO, LG,Ariston,Panasonic, etc. We believe that we can become your reliable electrical transformer partner with best quality and favorable price.
We have passed ISO9001:2015,CE,SGS approval and IEC report 1).Features: Has a strong anti-interference, distributed capacitance, impedance, attenuation of low transmission, firm structure,can fine-tune the inductance, etc., are widely used in fax machines, PBX. 2). Applicable frequency range: 20 to 100kHz : Operating frequency: higher than 200kHz High magnetic flux and low loss magnetic materials With low leakage inductance and high efficiency . 3).Applications: PCB circuits, computer, TV, monitor, scanner, duplicator, mobile adapters, printer and other equipments and instruments. UL insulation system for Class B (130), F (155), H (180) 4). Can make other customized Ferrite transformers: Power range: core type using N67 grade material 500: ETD54, ETD59 and E65 5)Advantage: 1.UL, CUL, CE, ISO9001:2015 2.We offer custom-made transformers, OEM and ODM are welcome 3.We deliver the quality you expect at consistently competitive prices 4.Transformer quality lifetime:10 Years. 5.Specialty Sales service:5 -10 Years 6.Transformers Test: 100% test before the shipment About us: 1). Tianjin Grewin Technology Co.,ltd. has always laying great emphasis on our core business philosophy "Quality and Honesty First ". Grewin Mission: Growing together side by side,Mutual success hand in hand. Production: The following picture showed you about all finished transformer production line and package with export standard carton and strong pallets: RM Type High Frequency Transformer for Electronic Usage 2).Terms of Shipment: Within 10 working days after received related prepayment or L/C. 3).Payment terms: (1). T/T 100% or 50% deposit by T/T in advance, balance amount to be paid 7 days before delivery. (2). By irrevocable L/C at sight, to be issued immediately against confirmed order. (3). Payment by T/T, if order amount is less than USD 20,000. 4).Flow chart of trading activities: NO Step Days need 1 Request for quotation 1 day 2 Making quotations 1 day 3 Offer and counter offer 3 days 4 Sending and receiving samples 3-10 days 5 Sample confirmation 3 days 6 Placing a firm order 1 day 7 Paying and receiving the down payment 1-4 day 8 Factory production & Quality inspection 15-20 days 9 Paying and receiving the balance 4 days 10 Delivery of goods 1 days
1. Technical parameters. Toroidal Transformer I Power Thermal Fuse Current Fuse Dimension (mm) Approval Mark GWB25VA 135 ºC 250V 2A 250V T 2A 80*35 CE UL TUV CQC GWB30VA 135 ºC 250V 2A 250V T 2A 83*35 CE UL TUV CQC GWB40VA 135 ºC 250V 2A 250V T 2A 87*35 CE UL TUV CQC GWB50VA 135 ºC 250V 2A 250V T 2A 93*34 CE UL TUV CQC GWB60VA 135 ºC 250V 2A 250V T 2A 93*35 CE UL TUV CQC GWB80VA 135 ºC 250V 2A 250V T 2A 102*35 CE UL TUV CQC GWB105VA 135 ºC 250V 2A 250V T 2A 114*38 CE UL TUV CQC GWB120VA 135 ºC 250V 2A 250V T 2A 113*41 CE UL TUV CQC GWB140VA 135 ºC 250V 2A 250V T 2A 114*42 CE UL TUV CQC GWB150VA 135 ºC 250V 2A 250V T 2A 117*43 CE UL TUV CQC GWB160VA 135 ºC 250V 5A 250V T 5A 120*43 CE UL TUV CQC GWB180VA 135 ºC 250V 5A 250V T 5A 125*42 CE UL TUV CQC GWB200VA 135 ºC 250V 5A 250V T 5A 124*49 CE UL TUV CQC GWB220VA 135 ºC 250V 5A 250V T 5A 127*50 CE UL TUV CQC GWB240VA 135 ºC 250V 5A 250V T 5A 129*48 CE UL TUV CQC GWB250VA 135 ºC 250V 5A 250V T 5A 130*52 CE UL TUV CQC GWB260VA 135 ºC 250V 5A 250V T 5A 130*53 CE UL TUV CQC GWB280VA 135 ºC 250V 5A 250V T 5A 138*45 CE UL TUV CQC GWB300VA 135 ºC 250V 5A 250V T 10A 138*54 CE UL TUV CQC GWB320VA 135 ºC 250V 5A 250V T 10A 138*54 CE UL TUV CQC GWB340VA 135 ºC 250V 5A 250V T 10A 138*54 CE UL TUV CQC GWB360VA 135 ºC 250V 5A 250V T 10A 142*55 CE UL TUV CQC GWB380VA 135 ºC 250V 5A 250V T 10A 146*54 CE UL TUV CQC GWB400VA 135 ºC 250V 5A 250V T 10A 148*56 CE UL TUV CQC GWB420VA 135 ºC 250V 5A 250V T 10A 148*56 CE UL TUV CQC GWB440VA 135 ºC 250V 5A 250V T 10A 148*60 CE UL TUV CQC GWB460VA 135 ºC 250V 5A 250V T 10A 149*64 CE UL TUV CQC GWB480VA 135 ºC 250V 5A 250V T 10A 153*59 CE UL TUV CQC GWB500VA 135 ºC 250V 5A 250V T 10A 155*62 CE UL TUV CQC 2. We have attained VDE,UL,CE,ISO9000 approval .we guarantee quality is the first. Test process 1 .No-load test (included no-load voltage,no load current and no load loss) 2.iInductive voltage test 3. Load test (load voltage and temperature rise 4. Temperature rise test . 5.Insulated resistance 6.Hi-pot test 7.Leakage inductance test 8.DC resistance test 9.Surface inspection. 3.customized audio toroidal transformer and solar energy transformer Application: 220V 24V Toroidal Power Transformer 1). Application: 1. audio equipment 2. electric control 3. computer 4. solar device 5.telecommunications 6.high-end and middle-end vedio etc 2). Advantages: 1.High quality 100% copper core 2.a full range of toroidal transformer 3.Specially sales and technical services:5-10Years 4.With 14 years' producing history in transformer industry 5.our company have cooperated with many customers around the world and gained good reputation at home and abroad.
